Here is the full list of all 32 Kingdom Under Fire: Circle of Doom achievements worth 1,000 gamerscore.
Raise Marguerite's favor to 100%
Raise Marguerite's favor to 50%!
Reach Level 80 with ALL characters.
Complete all of Regnier's story quests.
Finish the game with Regnier.
Have a heartwarming talk with Bertrand.
Complete all of Kendal's story quests.
Finish the game with Kendal.
Watch all of the starting staff roll AND the ending staff roll credits!
Finish the game with Curian.
Complete all of Celine's story quests.
Finish the game with Celine.
Synthesize the same piece of equipment 20 times.
Synthesize the same piece of equipment 10 times.
Defeat Mutant Curian.
Hunt down a Stone Golem.
Reach Level 120 with any character.
Complete all of Leinhart's story quests.
Finish the game with Leinhart.
Defeat Encablossa.
Defeat the Balrog.
Reach Level 40 with any character.
Defeat the Ice Maiden.
Hunt down Loki's head.
Defeat Loki.
Successfully execute a 20 combo attack with a Bloodlust enhanced weapon!
Pick up all items dropped by a boss.
Defeat the Forest Guardian.
Reach Level 10 with any character.
Learn an Ability.
Succeed in Item Synthesis.
Complete the tutorial.